Rexroth 力士乐 定量叶片泵 长寿命 小磨损 PVV2-1X 045RA15UMB
定量叶片泵 型号 PVV
排量 18 至 193 ；元件系列: 1X ；最大工作压力 210 bar ；最大挤压容积 18 至 193 cm3
– 定排量
– 由于液压卸荷的轴而使轴承拥有长寿命
– 由于液压卸荷的叶片而仅有很小的磨损
– 工作噪音低
– 由于泵芯的互换性，有利于售后服务
– 好的效率
– 压油口的位置可选
– 驱动转向或右旋或左旋
– 驱动轴可选圆柱形或花键
双联泵：
– 极紧凑的结构
– 压油口的位置可分开选择
PVV 和 PVQ 泵是定排量叶片泵。在驱动轴驱动轴 (1) 的齿上安装有转子 (2)，它在定子环 (3) 内回转。叶片 (4) 安装在转子槽内，转子转动时靠离心力使叶片压在定子环的内表面。排油腔的端面由配油盘 (5) 密封。由于
定子环是双偏心结构，因此形成对称布置的两个吸油区和两个压油区，因此传动轴的径向液压力相互平衡而卸载。
由于 PVQ 泵的设计结构，使其特别适用于行走机械应用。由于配油盘的特殊结构，而能够补偿转子体的热膨胀和能够对突然的压力变化起到抵抗作用。通过将配油盘分成柔性盘(7) 和端盖 (8) 而形成反向压力腔 (9)，以平衡在挤压器中的压轴仅传递驱动转矩。在吸油区，叶片部分地卸荷。这能减少磨损和获得高效率。取下端盖 (6)，可以更换泵芯 (由转子、叶片、定子环和配油盘组成)，而不必从钟形罩上卸下泵体 (7)。这样就能迅速地对泵进行维护和修理。力。这就保证了转子和柔性盘之间的最佳间隙，因而保证泵拥有最好的容积效率。
结构 ；法兰安装按 SAE J744
油口 ；SAE 法兰款式 (固定螺纹: UNC)
转向 ；右旋或左旋
液流方向 ；进油口和压油口不取决于转向
安装位置 ；任意，手选进油口在上面
驱动 ；直接，同轴驱动；不能传递轴向和径向力
重量
BG 1 2 2K 4 4K 5 5K 21 41 42 51 52 54
kg 12 14.8 19.4 23 28.7 34 38.1 20 34 34.5 43 46 54
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